#### 题目列表

Quantity A: The greatest possible value of 2/(x-y), where 9≤ x ≤12 and -2 ≤ y ≤ 8

Quantity B: 2
Each week a salesperson receives a commission that is equal to 12 percent of the first $500 of sales plus 20 percent of additional sales. If the salesperson received a commission of$380 last week, what was the total amount of the sales that the salesperson made last week?

The table shows the frequency distribution of the random variable X. What is the median of the distribution of the values of X ?
If 1 kilometer is approximately 0.62 mile, what is the approximate speed, in kilometers per hour, of a car that is traveling at a speed of 50 miles per hour?
In the rectangular coordinate system, the point (3,1) is on the circle with center (0,-3). What is the area of the circle?
A jar contains exactly 10 dimes and x quarters and no other coins. If a coin is randomly selected from the jar, the probability that a quarter is selected is 0.6. What is the value of x.
Which of the following is closest to the percent increase in the number of temporary employees from 1993 to 1999?
In 1999 approximately how many of the temporary employees had an employment contract with a length of at most 3 months?
In 1998 the ratio of the number of female temporary employees to the number of male temporary employees was 1 to x, where x >0. In terms of x, what was the number, in thousands, of female temporary employees in 1998?
Which of the following is equivalent to 0 < x < 2?
The sum of n numbers is greater than 48. If the average (arithmetic mean) of the n numbers is 1.2, what is the least possible value of n?
x is an integer greater than 3.

Quantity A: The number of even factors of 2x

Quantity B: The number of odd factors of 3x
On a certain map, 1 centimeter represents 5 kilometers. On the map, region X has an area of 6.4 square centimeters.

Quantity A: The actual area of region X

Quantity B: 150 square kilometers
The average (arithmetic mean) of m and n is 1 more than k.

Quantity A: m+n

Quantity B: 2k+1
In the xy-plane, the point (c,c) lies on the graph of the equation 0.3x + 0.3y =12

The value of c

20

x > 0

#### Quantity A

The area of a circle with circumference 8πx

#### Quantity B

The area of a circle with radius 4x

At a certain company, employees who earn $20.00 per hour will be given an increase of$1.00 per hour. For each of the other employees, either the employee will be given an increase of $1.00 per hour or the employee will be given a percent increase equal to the percent increase that will be given to the employees who earn$20.00 per hour, whichever results in a larger increase for that employee. Which of the following statements are true?

Indicate all such statements.

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